Re: Proposal to write a serial driver

[Martin H. <mar...@mh...>]

Rolf Kalbermatter wrote:

> Martin Henz wrote:

>> I have to change my job or my customers, before I can change
>> the oS :->
>> 
>> I  don't know who really is responsible for this effect, but
>> I  can  access  the  serial ports if I call the OS functions
>> directly (without VISA).

> I think you can do so as well in VISA. The problem is that the
> pop-up menu is not dynamically repopulated whenever the resources
> change. But VISA should probably be able to access a port as soon
> as it gets available. Just use a VISA resource control which
> allows for undefined resources or use a sting control instead.
> The VISA Node will automatically coerce that string in a VISA
> resource.

No,  that  does  not  work.  It  might be normally possibly,
because  I  can't  remember  that  I  have  seen this effect
before.  But  I  had  some  strange  effects  in the past on
customers  PCs  where VISA sometimes said, that the resource
is not available and sometimes not.

-- 
Martin Henz